Btrfs: Add readahead to the online shrinker, and a mount -o alloc_start= for testing

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2008-01-02 10:01:11 -05:00
parent e52ec0eb62
commit 8f662a76c6
5 changed files with 28 additions and 9 deletions
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -324,6 +324,7 @@ struct btrfs_fs_info {
 	u64 last_trans_committed;
 	unsigned long mount_opt;
 	u64 max_extent;
+	u64 alloc_start;
 	struct btrfs_transaction *running_transaction;
 	struct btrfs_super_block super_copy;
 	struct extent_buffer *sb_buffer;